نتایج جستجو برای: single criterion networks

تعداد نتایج: 1332100  

Journal: :European Journal of Operational Research 1998
Eugenio Costamagna Alessandra Fanni Giorgio Giacinto

A Tabu Search (TS) algorithm is presented for topological optimisation of broad band communication networks whose structure is based on a single exchange and on a number of multiplexing centres. Considering the high cost of the ®ber optic cable, the network architecture is a minimum spanning tree. The optimisation problem is reduced to choose the number and the locations of the multiplexing cen...

Journal: :INFORMS Journal on Computing 2011
Abdullah Konak Alice E. Smith

T paper presents a biobjective genetic algorithm (GA) to design reliable two-node connected telecommunication networks. Because the exact calculation of the reliability of a network is NP-hard, network designers have been reluctant to use network reliability as a design criterion; however, it is clearly an important aspect. Herein, three methods of reliability assessment are developed: an exact...

2013
Radhia Abd Jelil Xianyi Zeng Ludovic Koehl Anne Perwuelz

In this paper, Artificial Neural Networks (ANNs) are used to model the effect of atmospheric air-plasma treatment on fabric surfaces with various structures. In order to reduce the complexity of the models and increase the knowledge and comprehension of the underlying process, a fuzzy sensitivity variation criterion is used to select the most relevant parameters which are taken as inputs of the...

2017
P .Sowa

This paper is concentrated on the optimization of equivalent reduced networks for power system relaying purposes. For the parameter identification of reduced networks in time domain the EMTP program is applied. Moreover, the sensitiveness criterion has been used for the optimum choice of reduced network parameters. The accurate model is based on the precise representation of the transmission li...

2011
Lúcia Martins Nuno Gomes Ferreira

In this paper, an improved version of a previously proposed heuristic that finds ‘good’ compromise solutions for a bi-criteria Steiner trees problem is presented. This bi-criteria formulation of the Steiner’s tree problem is well suited for application in telecommunication networks whenever it is important to find the minimum amount of resources to connect a given subset of network nodes. In fa...

Amanolahi, Aminda, Mousavi, Jaber, Shekofteh, Pardis,

Background and purpose: Nowadays, social networks are considered as the major communication tools in communities and throughout the world. This study aimed at investigating the pattern of social network use in medical students who will have important occupations in healthcare system. Materials and methods: This descriptive-analytical study was carried out in 715 medical students in Mazandaran ...

1998
Shuichi Ohno Yujiro Inouye

In order to attain multichannel blind deconvolution of linear time-invariant nonminimum-phase dynamic systems, Inouye and Habe proposed in 1995 a single-stage maximization criterion. The criterion function is the sum of squared forthorder cumulants of the equalizer outputs, and the coefficients of the equalizer are determined at once. On the other hand, one of possible approaches for multichann...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2012
Stephen Devlin Thomas Treloar

We consider an evolutionary prisoner's dilemma on a random network. We introduce a simple quantitative network-based parameter and show that it effectively predicts the success of cooperation in simulations on the network. The criterion is shown to be accurate on a variety of networks with degree distributions ranging from regular to Poisson to scale free. The parameter allows for comparisons o...

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